ErrorfListenCalledInNaCl calls ErrListenCalledInNaCl.Errorf with the supplied arguments.

ErrorfListenerClosed calls ErrListenerClosed.Errorf with the supplied arguments.

MessageListenCalledInNaCl calls ErrListenCalledInNaCl.Message with the supplied arguments.

MessageListenerClosed calls ErrListenerClosed.Message with the supplied arguments.

ParamsErrListenCalledInNaCl extracts the expected parameters from the error's ParameterList.

ParamsErrListenerClosed extracts the expected parameters from the error's ParameterList.

WebsocketConn provides a flow.Conn interface for a websocket connection.